Right click the start button and select Disk Management.
For Windows 8.0 its recommended that you perform a clean install of Windows 8.1 with Update 2 using the Windows 8.1 Media Creation Tool. The update procedure from Windows 8 to Windows 8.1 is too convoluted and problematic and leads to significantly lowered system performance. This guide does not support Windows 8 it only supports Windows 8.1. Checks to Ensure you have a Factory Recovery Partition Once you have Upgraded to Windows 10 you should perform A Clean Reinstall and then you can Setup Dell Backup and Recovery to make a Windows 10 Recovery Partition. Note once Recovery Media is made you should be all set to update to the latest Legacy BIOS/UEFI BIOS and proceed with the Free Upgrade to Windows 10.